The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 28, 2013
Filed:
Oct. 31, 2008
Masato Nakano, Kakogawa, JP;
Takahiro Tsumori, Nishinomiya, JP;
Masato Nakano, Kakogawa, JP;
Takahiro Tsumori, Nishinomiya, JP;
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
Laundry detergents or cleaning compositions which comprises a copolymer composition comprising i) a copolymer having a weight-average molecular weight of from about 10,000 to about 50,000 and comprising a) 30-60 mol% structural units derived from monoethylenically unsaturated dicarboxylic acid or dicarboxylate; b) structural units derived from monoethylenically unsaturated monocarboxylic acid or monocarboxylate; c) structural units derived from monomers containing sulfonic acid or sulfonate groups and having no ester bonds or amido bonds; and ii) 10,000 ppm or less of residual monoethylenically unsaturated dicarboxylic acid or dicarboxylate monomer.